Home / 666,899.28-1,000,536.26-267,820.31

Finding the Fourth Proportional to 666,899.28, 1,000,536.26 and 267,820.31

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Solution

The fourth proportional to 666,899.28, 1,000,536.26 and 267,820.31 is: 401,805.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,899.28 : 1,000,536.26 = 267,820.31 : x
  2. Step 2: Convert to fraction form
    666,899.28/1,000,536.26 = 267,820.31/x
  3. Step 3: Cross multiply
    666,899.28x = 1,000,536.26 × 267,820.31
  4. Step 4: Simplify right side
    666,899.28x = 267,963,924,977.66
  5. Step 5: Solve for x
    x = 267,963,924,977.66/666,899.28
  6. Step 6: Final answer
    x = 401,805.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.